Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10753384 | Suction cup | Tsung-Chih Chang | 2020-08-25 |
| 9803682 | Suction cup device | Tsung-Chih Chang | 2017-10-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10753384 | Suction cup | Tsung-Chih Chang | 2020-08-25 |
| 9803682 | Suction cup device | Tsung-Chih Chang | 2017-10-31 |